()压力对氮洗分子筛()有利。
A.降低、再生
B.降低、吸附
C.增加再生气流量、再生
D.升高、再生
参考答案:A
All the football fans shouted and cheered so much that you could hardly hear _____ else. [ ]
A. something
B. everything
C. anything
D. nothing
A.提醒B.继续C.温度D.恐怕E.后悔F.害羞
A:你已经是个大小伙子了,怎么还这么______呢 B:其实我只是不知道该说什么才好。